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Abstract:
To achieve high concentration of Ce3+ ions in Gd3Fe5O12 (GIG) crystal, the structure of co-doped Sc3+ and Ce3+ ions was designed and the doping energy was evaluated by the first-principles density functional theory. Based on this, Ce,Sc,Ca:GIG crystals with centimeter size and good quality were successfully grown by an improved edge-defined film-fed growth method. The transmission, magnetism, and magneto-optical effects were investigated in detailed. The Ce-doped concentration as high as 18 at% results in the (Ce0.54Gd2.41Ca0.05) (Sc0.45Fe4.55)O12 crystal having excellent magneto-optical properties. Its Faraday rotation angle increased to about -1534 deg. cm-1 at λ = 1550 nm. Therefore, the excellent magneto-optical performances reveal that Ce,Sc,Ca:Gd3Fe5O12 crystal has great potential to be utilized for miniaturized and high performance optical isolators in 1550 nm. © 2022 The Author(s).
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Journal of Materials Research and Technology
ISSN: 2238-7854
Year: 2022
Volume: 20
Page: 2518-2526
6 . 4
JCR@2022
6 . 2 0 0
JCR@2023
ESI HC Threshold:91
JCR Journal Grade:1
CAS Journal Grade:1
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count: 7
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3
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